maintenance/postgres/archives/patch-categorylinks-better-collation.sql

   1 CREATE TYPE link_type AS ENUM ('page', 'subcat', 'file');
   2 DROP INDEX cl_sortkey;
   3 ALTER TABLE categorylinks
   4         ADD COLUMN cl_sortkey_prefix TEXT NOT NULL DEFAULT '',
   5         ADD COLUMN cl_collation SMALLINT NOT NULL DEFAULT 0,
   6         ADD COLUMN cl_type link_type NOT NULL DEFAULT 'page';
   7 CREATE INDEX cl_collation ON categorylinks ( cl_collation );
   8 CREATE INDEX cl_sortkey ON categorylinks ( cl_to, cl_type, cl_sortkey, cl_from );